Global diversity in IRM education. - Eli Cohen; Daphyne Saunders; Jamil Chaudri; James C. Criner; Dusan Lesjak; Susan E. Conners; Nagib Callaos (IRMA Conference, 2000)

Toward a Systemic Notion of Information: Practical Consequences. - Nagib Callaos; Belkis Callaos (Informing Sci. Int. J. an Emerg. Transdiscipl., 2002)